I currently have 2 computers with SFX power supplies. One is a 300W from Silverstone and the other is a 350W from Be Quiet. Both of these are quiet. I suppose i

I currently have 2 computers with SFX power supplies. One is a 300W from Silverstone and the other is a 350W from Be Quiet. Both of these are quiet. I suppose if you need lots of power (like 500-600W), then the smaller fans on the SFX power supplies could be a problem, but I haven't tried that.